Simpson, W. W. <br/><br/>
Calcium sulfide precipitation of mercury from gold-silver-cyanide leach slurries / 
by W.W. Simpson, W.L. Staker, and R.G. Sandberg. 
 - Pittsburgh, Pa. :  U.S. Dept. of the Interior, Bureau of Mines,  1986. 
 - 8 p. :  3 ill. 
 - Report of investigations ;  9042 .
 - Report of investigations (United States. Bureau of Mines) ;  9042. .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mercury--Metallurgy.<br/>Precipitation (Chemistry)<br/>Cyanide process.<br/>Calcium sulphide.<br/>Slurry.
<br/><br/><label>LC Class. No.: </label>TN23  TN790  / .U43 no. 9042 
<br/><br/><label>Dewey Class. No.: </label>622 s  669/.71�19 
<br/><br/><label>Gov. Doc. Class. No.: </label>I 28.23:9042.